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Electronic dimmers operate on a different principle. The main elements of modern semiconductors are dynistor dimmer and triac or dyads and triac.
These balanced semiconductors capable of passing a current of magnitude determined in both directions. Smooth control of voltage, which is supplied to the lamp is due to the so-called "cut-off phase."
The power of the dimmer depends on the amount of current that is able to skip the triac. Choosing dimmer, it is necessary to determine the size of the load, or the total power of lighting lamps.
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